In the time domain, an SS/PBCH block consists of 4 OFDM symbols
In the frequency domain, an SS/PBCH block consists of 240 contiguous subcarriers, or 20 PRBs
{SS/PBCH, PDCCH} subcarrier spacing = {15, 15}, {15, 30}, {30, 15}, {30, 30}, {120, 60}, {120, 120}, {240, 60}, {240, 120}} kHz (38.213 ยง13)
Slots with SSB may or may not have PDSCH allocation